Home / 61,869.35-85,379.66-35,011.37

Finding the Fourth Proportional to 61,869.35, 85,379.66 and 35,011.37

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Solution

The fourth proportional to 61,869.35, 85,379.66 and 35,011.37 is: 48,315.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,869.35 : 85,379.66 = 35,011.37 : x
  2. Step 2: Convert to fraction form
    61,869.35/85,379.66 = 35,011.37/x
  3. Step 3: Cross multiply
    61,869.35x = 85,379.66 × 35,011.37
  4. Step 4: Simplify right side
    61,869.35x = 2,989,258,691.68
  5. Step 5: Solve for x
    x = 2,989,258,691.68/61,869.35
  6. Step 6: Final answer
    x = 48,315.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.